Device for centering trolley-wires.



R'. T. FING/(Do. DEVICE FOR CENTEHING TROLHLEY WIRES.

APPLICATION FILED MAR. 30| |914.

lntplrlfod May 25, 1915.

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nninnennrriuaanm onnnxico, Mexico# Y DEVICE FOR CENTERING TROLLEY-WIRES.

To all whom it'may concern .i

Be itpknownthat-I, REINHARD T. FINGADO, a subject of the Emperor' 'of Germany, residing atthe city of Mexico, Mexico, have invented certain new and useful Improvements lation.

The primary object of the invention is to p rov1de Vmeans for accurately centering a trolley wire between. therails of a track, and

to quickly detect any variat1on in the normal position of I' voverhead element.

The invention embodies the utilization of a mirror in A connection with a graduated..

' f in connection with a portion wire. Fig. 2 1s a scale properly mirror, in the adjustment of the trolley wire.

A further object ofthe invention is to provide a suitable frame adapted for ad- Iiustment upon the railsof a track, said, frame serving asa convenient support for the mirror or linirrors employed.

The construction of the improved device will be fully described hereinafter in 'connection with the accompanying drawing which forms a part of this specilication, the features of novelty will be set forth and defined in the appended claims.

In thel drawings: Figure 1 is a view in i perspective of the improved' device in posithe rails of a track, and shown of. a" trolley diagram illustrating the manner of using the centering device, from the track level. Fig. 3 is a diagram illustrating the manner of using the device, the observation being taken from a Apoint abover the trolley wire. Fig. 4- is a view in perspective of a modified form of mirror-supporting frame, and mirror. Fig. 5 is a diagram illustrating the manner of using the modified form of the device shown in Fig. a, and, Fig. 6 is a plan view partly broken away of a further modieation.

The reference numerals 1 and 2 designate the rails of a track. The' mirror-supporting frame lcomprises parallel bars 3 and -i contio'n upon nected at one end by a cross-bar 5 from vwhich projects centrally an arm 6 having a downward extension 7 and recessedat its under edge as shown at 8 to t uponthe rail 2. The outer ends of the bars 3 and 4 Specification of Letters Patent. ApplicationV filed- March 30, 1914. Seria'lNo. 828,329.l

the trolley wire or other located with relation to thev and y 'of the central lines are ratentediuay'ea 1915.

are also recessedv as indicatedat to adapt them to vlitv upon the opposite rail -1 as clearly shown in Fig. 1.

Numerals 10 and 11 designate two mir-J rors preferably of rectangular form, supported 'inany suitalble way between the parallel sides of the frame anddisposed' to .confront each other at an angle of approximately 45". f

Each mirrorvis provided with a `central line 12 on either side of which the mirror is providedv with graduations 13- arranged fparallel with'the central line 12 which latter corresponds tothe normal or central? poil` sition of the trolley wire.

As will be obvious, Vthe mirror-supporting `frame may be readily adjusted upon 5* the tread surface of the railsand occupies a position substantially parallel tothe trolley wire'14-. w .i

The utility and manner of vusing the device constructed'as thus described-may be explained asfollows: As. illustrated in the diagrams of Figs. 2 and 3, the trolley wire is reflected upon the mirror 11, and ifA the wire is properly centered between the rails, this reiection will register with the central line of the'mirror 11, and from this mirror will be reiected to the central line of the confronting mirror 10. As shown in Fig. 2 the central line is marked" O, and the graduated lines 3 at-the left of the central line Y are designated respectively L and L2, while the corresponding Agraduations at the right designated R and R2 res ectively. l

s shown by the diagramaFigs. 2 and 3, the mirrors may be observed to determine 4the position of the trolley wire either from the ground or track level as illustrated in Fig. 2, or from a point above the trolley wire as illustrated in servation being designated` in the drawing by the representation of eyes.

y In the modification shown in Figs. 4 and 5, the supporting frame comprises parallel side bars 1a and 15 provided with confronting cleats or shelves 1` upon which the ends of a mirror 17 are `supported adjustably. This mirror 17 is provided with a central longitudinal indicating line 18, and the inner side of one of the lframe members shown in Fig. Liis provided with a graduated scale, the central line of which is marked 0, and the lines on either sidek of the central line being designated 1, 2, 3, etc.,

Fig. 3, the point of obindicating inches or other units of measurement. 'lhe parallel slde members of' the Aframe 14 and l5 are suitably braced by conror, but if the wire is located to one or the other side of its proper alinement, such variation will be designated upon the mirror 17, in case a horizontal supporting mirror is employed, or upon the angular mirror 1l, as shown in F ig. Q, which reflects horizontally upon the confronting mirror 10.

^ ",y the e1nplo '1nent of my improved device, an)v variation of the trolley wire from proper' adjustment may be readily detected, and overhead installations constructed and Ikept'in proper adjustment withrelation to the rails of the track.

In addition to the modified forms of the invention illustrated in thel accompanying dran ing, the invention includes such further modifications and variations of the device .L as may .be resorted. to without departing from the terms of thl claims, the invention broadly including the employment of a mirrolzin connection with a graduated scalefor testing the yalinement of a trolley wire yor other overhead element of electric installrtlon, whether said mirror be located in a horizontal plane as shown in Fig. 4.and 40 in what manner thesame is designedfor 45 -f use, what I claim as new is: f

1. A centering device for trolley wires comprising a supporting frame, reflecting means carried b v the frame and provided with a iducial line; and a with the line. u

2.1K centering device for trolley wires comprising a supporting frame, confronting mirrors carried by the frame and arranged at angles to each other, each4 of the mirrors 55 bearing a central longitudinal indicating line, and a graduated scale co-acting with the line, andv means fdr holding the frame y against-lateral n iovement 011 the rails of a track.

3. A centering device for trolley wires comprising the combination with a supporting frame, of confronting mirrors arrangedl j at angles -to each other, each of said mirrors rbearing a cent `al longitudinal indicating #5 1" line, and a graduated scale co-acting with said nidlcating line.

In testimony whereof l have ailixed my signature in presence of two witnesses.

REINHARD T. FINGDO.

lVitnesses; A i

Jol-1N D. Van lifhriro. v N. Ancor..

scale (so-acting Se f 

